| Williamsville Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Location | |
| Region | Ontario |
| Country | Canada |
The Williamsville Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
 | This article about a specific stratigraphic formation in Ontario is a stub. You can help Wikipedia by expanding it. |
